package com.t123.controller;


import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

@RestController
public class HelloController {



    @RequestMapping("/hello")
    public String hello(){
        /*int []arr={1,2,3,4};
        System.out.println(arr[4]);*/

        String a=null;
        System.out.println(a.length());

        return "我是蔡徐坤喜欢吃篮球";
    }
}
